Cable lock



FIG. 1 is a right side view of a cable lock according to the design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a perspective view thereof.

The broken line portions shown in FIGS. 1 through 7 illustrate environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a cable lock, as shown and described. 